Echinops ritro, the southern globethistle, is a species of flowering plant in the family Asteraceae, native to southern and eastern Europe (from Spain east to Turkey, Ukraine, and Belarus), and western Asia.[2] The species is sparingly naturalized in scattered locations in Canada and the United States.[3][4]
| Echinops ritro | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Echinops |
| Species: | E. ritro
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| Binomial name | |
| Echinops ritro L. 1753 not Georgi 1775
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| Synonyms[1] | |
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Synonymy
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It is a compact, bushy herbaceous perennial thistle, growing to 60 cm (24 in) tall, with broad prickly leaves and bearing globes of steel-blue flowers 2.5 cm - 4.5 cm in diameter, in late summer.[5]
Echinops ritro [6] and the subspecies E. ritro subsp. ruthenicus[7] have gained the Royal Horticultural Society's Award of Garden Merit.
- Subspecies[1]
- Echinops ritro subsp. meyeri (DC.) Kožuharov
- Echinops ritro subsp. ritro
- Echinops ritro subsp. ruthenicus (M.Bieb.) Nyman
- Echinops ritro subsp. sartorianus (Boiss. & Heldr.) Kožuharov
- Echinops ritro subsp. siculus (Strobl) Greuter
- Echinops ritro subsp. thracicus (Velen.) Kožuharov
References
edit- ^ a b The Plant List, Echinops ritro L.
- ^ Altervista Flora Italiana, Cardo pallottola meridionale, Echinops ritro L.
- ^ Flora of North America, Echinops ritro Linnaeus
- ^ Biota of North America Program, 2014 county distribution map
- ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
- ^ "RHS Plant Selector - Echinops ritro". Retrieved 5 June 2020.
- ^ "RHS Plant Selector - Echinops ritro subsp. ruthenicus". Retrieved 5 June 2020.
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